Keysight's FieldFox portable analyzers are equipped to handle your toughest working environments during routine maintenance, in-depth troubleshooting, and anything in between. Lightweight, rugged, and portable, FieldFox is ready to meet your RF test needs. Stay ahead of changing measurement requirements by upgrading your handheld RF analyzer in the field with 25+ convenient, user-installable license keys.

Hand held analyzer

Key Features

  • Get coverage up to 54 GHz with precision comparable to benchtop results

  • Make 5G field test a reality with wide analysis bandwidth up to 120 MHz

  • Capture small, interfering signals with wideband, real-time analysis

  • Configure FieldFox handheld spectrum analyzer as a cable and antenna analyzer (CAT), vector network analyzer (VNA), spectrum analyzer, or an all-in-one combination RF analyzer

New Feature

FieldFox is now a pulse generator!

FieldFox capabilities now extend to signal generation with our new built-in pulse signal generator up to 54 GHz.

Create various pulses, such as standard pulses, FM chirps, FM triangles, AM pulses, and user-defined pulse sequences. Generate continuous-wave (CW) signals including AM/FM modulations, FSK, and BPSK.

Pulse Generator | Option 357

FieldFox RF Analyzer Software

Offering 25+ license-key activated software applications

5G / LTE Field Testing

  • EMF measurements

  • Over-the-air (OTA) testing

  • Channel scanner

  • Wideband analysis

Spectrum Analysis

  • Real-time spectrum analyzer (RTSA)

  • Analog demodulation

  • Interference hunting

  • IQ analyzer

Cable and Antenna Testing (CAT)

  • Vector network analysis (VNA)

  • 2 port s-parameters

  • TDR cable measurements

Power Measurements

  • USB power sensor measurements

  • Built-in power meter

  • Pulse measurements

  • Peak power sensor

Utilities

  • Remote control

  • GPS receiver

  • Indoor/outdoor mapping

  • Pulse generator

Popular Models

N9913A
  • Max frequency: 4 GHz

  • Max bandwidth: 10 MHz

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N9953B
  • Max frequency: 54 GHz

  • Max bandwidth: 120 MHz

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N9912C
  • Max frequency: 10 GHz

  • Max bandwidth: 40 MHz

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N9915C
  • Max frequency: 10 GHz

  • Max bandwidth: 120 MHz

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